Unmanned drones may conjure up images of missile strikes, but a group of civilian developers in the U.S. is trying to change that. WSJ’s Monika Vosough reports on drone hobbyists.

This transcript has been automatically generated and may not be 100% accurate.

I ... well it's the word ... is that ... this is the most of us wore ... this to see this bright spot in the United States did very well with the developers wants to see ... my said ... Wall Street Journal one of the two ... that ... would play ... the game ... and don't tack taken by Dover Silicon Valley sky ... the total control ... and trouble lot of miles ... and record everything I see ... it all started building his own two or three years ago ... he says has always been passionate about the electronics and why ... this this is the latest on creation ... after ... that they never were near streams of wine and ... Chris offers you a way to feel like you're flying with our ... form of actually ... Boeing ... to ... go as part of the growing green ETF us tormentors ... who built by the machines to find ... some experts estimate that more than ten thousand I'm and having tons currently by over us so it's ... a big dog opposes the defined it needs ... to build and build ... some pain until sense of accomplishment and sit quietly ... for entering the only nice when you think of it drives by ... this is a much Jones an aerial combat game created by Mark crumbly and his team of time impacts ... I this engineers to organize but they caught a think tank ... to refine the job creations ... Carmike as the airplane and mobile models for decades now he built sample jobs for battle ... this is one of the first generation drones the weekend for fighting and it literally made out of junk ... the electronics are being protected but nothing more than a Tupperware ... the arms are made out of the towel rack from a hardware store ... even the legs are nothing but pieces of foam block held on with rubber mats ... and rights groups and lawyers say it's all fun and games ... until someone's privacy is a made it ... there's a real tension the team privacy in the first amendment for private travel news ... and sad that that's in general because people want to have some privacy in public spaces ... but other people need to be able to photograph what happens in public spaces and make that information available ... for now the U S Aviation Administration says John flights are legal ... if a client of four hundred feet steered clear of airports ... and avoid using any video for commercial purposes ... but as much on stage to disguise ... as a push in the U S states for strict privacy laws similar to those in place for photographers and the media ... let hopes his think tank and a positive role ... in improving the image of Papa John's ... wort eighties technologies and sort of ... the founding member D calling them and in showing people that are no different than any other technologies and it's a matter of personal responsibility ... just like building homemade airplanes and do it yourself helicopters have been for much of the past century ... for The Wall Street Journal this is Monica pursue ...